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The book has asha and ravi. What happens with contacts["zoya"]? …
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
The book has asha and ravi. What happens with contacts["zoya"]? Show two safe ways to look up a name that may not be there.
Need a reminder? The key ideaShow
get() never raises a KeyError.
The worked solution
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, compare your working with the solution.
contacts["zoya"] raises a KeyError, because zoya is not a key.
Two safe ways:
contacts.get("zoya")givesNone. We can give our own answer too:contacts.get("zoya", "not in the book").- Put the lookup in
tryand catchexcept KeyError.
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